9f5b04e925
of the recent WARNS commits. The idea is: 1) FreeBSD id tags should follow vendor tags. 2) Vendor tags should not be compiled (though copyrights probably should). 3) There should be no blank line between including cdefs and __FBSDIF.
146 lines
4.4 KiB
C
146 lines
4.4 KiB
C
/*-
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* Copyright (c) 1990, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Hugh Smith at The University of Guelph.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if 0
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#ifndef lint
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static char sccsid[] = "@(#)move.c 8.3 (Berkeley) 4/2/94";
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#endif
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <ar.h>
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#include <dirent.h>
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#include <err.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "archive.h"
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#include "extern.h"
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#include "pathnames.h"
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/*
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* move --
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* Change location of named members in archive - if 'b' or 'i' option
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* selected then named members are placed before 'posname'. If 'a'
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* option selected members go after 'posname'. If no options, members
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* are moved to end of archive.
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*/
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int
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move(argv)
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char **argv;
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{
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CF cf;
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off_t size, tsize;
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int afd, curfd, mods, tfd1, tfd2, tfd3;
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char *file;
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afd = open_archive(O_RDWR);
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mods = options & (AR_A|AR_B);
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tfd1 = tmp(); /* Files before key file. */
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tfd2 = tmp(); /* Files selected by user. */
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tfd3 = tmp(); /* Files after key file. */
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/*
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* Break archive into three parts -- selected entries and entries
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* before and after the key entry. If positioning before the key,
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* place the key at the beginning of the after key entries and if
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* positioning after the key, place the key at the end of the before
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* key entries. Put it all back together at the end.
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*/
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/* Read and write to an archive; pad on both. */
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SETCF(afd, archive, 0, tname, RPAD|WPAD);
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for (curfd = tfd1; get_arobj(afd);) {
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if (*argv && (file = files(argv))) {
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if (options & AR_V)
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(void)printf("m - %s\n", file);
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cf.wfd = tfd2;
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put_arobj(&cf, (struct stat *)NULL);
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continue;
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}
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if (mods && compare(posname)) {
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mods = 0;
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if (options & AR_B)
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curfd = tfd3;
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cf.wfd = curfd;
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put_arobj(&cf, (struct stat *)NULL);
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if (options & AR_A)
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curfd = tfd3;
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} else {
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cf.wfd = curfd;
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put_arobj(&cf, (struct stat *)NULL);
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}
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}
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if (mods) {
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warnx("%s: archive member not found", posarg);
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close_archive(afd);
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return (1);
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}
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(void)lseek(afd, (off_t)SARMAG, SEEK_SET);
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SETCF(tfd1, tname, afd, archive, NOPAD);
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tsize = size = lseek(tfd1, (off_t)0, SEEK_CUR);
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(void)lseek(tfd1, (off_t)0, SEEK_SET);
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copy_ar(&cf, size);
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tsize += size = lseek(tfd2, (off_t)0, SEEK_CUR);
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(void)lseek(tfd2, (off_t)0, SEEK_SET);
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cf.rfd = tfd2;
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copy_ar(&cf, size);
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tsize += size = lseek(tfd3, (off_t)0, SEEK_CUR);
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(void)lseek(tfd3, (off_t)0, SEEK_SET);
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cf.rfd = tfd3;
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copy_ar(&cf, size);
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(void)ftruncate(afd, tsize + SARMAG);
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close_archive(afd);
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if (*argv) {
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orphans(argv);
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return (1);
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}
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return (0);
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}
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